B2 Quiz AQA!! Test your knowledge for B2! 3.0 / 5 based on 12 ratings ? BiologyGCSEAQA Created by: :) PurpleJaguar (: - Team GRCreated on: 07-05-12 16:17 What is a transect? A line of tape 1 of 19 What is a limiting factor for photosynthesis? Light intensity 2 of 19 In photosynthesis where in a leaf is light stored? In glucose molecules 3 of 19 What are the two tubes that run through the whole of the leaf called? Xylem and Phloem 4 of 19 _____ + Water-----energy from sunlight-----> ______ + _______. Put in the words to complete the equation for photosynthesis. Carbon dioxide, Glucose, Oxygen 5 of 19 Name an organ system... Digestive 6 of 19 The stomach contains muscular tissue? True 7 of 19 Where are the mitochondria of a cell found? In the cytoplasm 8 of 19 Diffusion requires energy? False 9 of 19 What are amino acids absorbed by? Small intestine 10 of 19 What are the two molecules called that fit into the active site of an enzyme? Substrate molecules 11 of 19 Why is the optimum temperature for enzymes to work at 37degrees celcius? Our body temperature is 37degrees and enzymes work n our bodies 12 of 19 Bile is acidic? False 13 of 19 Plants make amino acids from sugars and... Nitrate ions 14 of 19 What is it called when you are exercising (e.g.) and your muscles run out of oxygen? Oxygen debt 15 of 19 Do gametes have 1, 2, 3 or 4 sets of chromosomes? 1 16 of 19 Cystic Fibrosis affects the cell membranes? True 17 of 19 An example of a homozygous gene would be... CC 18 of 19 A fossil can tell us about the DNA of previous life forms? False 19 of 19
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